alishasanders5289 alishasanders5289
  • 03-07-2017
  • Chemistry
contestada

The atomic number of gold (au) is 79, and the atom has a mass number of 197. how many neutrons are present in the atom of gold?

Respuesta :

amberoconnell35O
amberoconnell35O amberoconnell35O
  • 05-07-2017
An atom of gold has 118 neutrons
Answer Link
mathwhiz109 mathwhiz109
  • 09-10-2018

118 neutrons. You subtract the 79 protons from the atomic number of 197. This is because the number of neutrons + the number of protons equals the atomic number.

Answer Link

Otras preguntas

Natalie’s son was recently diagnosed as autistic, so she is searching the internet for information about the disorder. she discovers websites and blogs where pa
A washer and a dryer cost $770 combined. The washer costs $70 more than the dryer. What is the cost of the dryer?
What is the purpose of import quotas?
Write the quadratic function with the following transformations: vertical shrink by 3, left 4, down 9.
I need someone to tell me Is my answer right or wrong
Which laws regulate car driver behavior? A. Cycling lanes B. Right-of-way rules C. Jaywalking laws D. License plate laws
Which item below was NOT an important farming invention of early civilizations? plow sickle reaper
How does Darius conceptualize his Empire and what are the expectations and obligations that he places on his subjects ?
A solution of water (kb=0.512 ?c/m) and glucose boils at 103.06 ?c. what is the molal concentration of glucose in this solution? assume that the boiling point o
o poema descreve uma cena presenciada pelo o eu lirico: sua amada adormecida em uma rede. como a jovem é caracterizada?